Base | Representation |
---|---|
bin | 110100111111… |
… | …101000110001 |
3 | 222010210102220 |
4 | 310333220301 |
5 | 12024022040 |
6 | 1213431253 |
7 | 226036611 |
oct | 64775061 |
9 | 28123386 |
10 | 13892145 |
11 | 7929413 |
12 | 479b529 |
13 | 2b55307 |
14 | 1bb8a41 |
15 | 13462d0 |
hex | d3fa31 |
13892145 has 32 divisors (see below), whose sum is σ = 23753088. Its totient is φ = 6908928.
The previous prime is 13892143. The next prime is 13892147. The reversal of 13892145 is 54129831.
It is an interprime number because it is at equal distance from previous prime (13892143) and next prime (13892147).
It is not a de Polignac number, because 13892145 - 21 = 13892143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13892143) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39862 + ... + 40208.
It is an arithmetic number, because the mean of its divisors is an integer number (742284).
Almost surely, 213892145 is an apocalyptic number.
13892145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13892145 is a deficient number, since it is larger than the sum of its proper divisors (9860943).
13892145 is a wasteful number, since it uses less digits than its factorization.
13892145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 529.
The product of its digits is 8640, while the sum is 33.
The square root of 13892145 is about 3727.2167900459. The cubic root of 13892145 is about 240.3937114162.
The spelling of 13892145 in words is "thirteen million, eight hundred ninety-two thousand, one hundred forty-five".
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